HW7 (Chapter 13, Problem 6, MA453, Fall 2008, Prof. Walther


Find a nonzero element in a ring that is neither a zero-divisor nor a unit.

Answer 1

In the ring Z, 2 is neither a zero-divisor (because Z is an integral domain, and hence has no zero-divisors) nor a unit.

--Neely Misner

Answer 2

Write it here.

Back to HW7

Back to MA453 Fall 2008

Alumni Liaison

To all math majors: "Mathematics is a wonderfully rich subject."

Dr. Paul Garrett